258942385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2633}}^1$

素因数の和:2757

約数の個数: 32

約数和(自身を含む): 358434720

約数和(自身を除く): 99492335

約数列:

[1, 5, 13, 17, 65, 85, 89, 221, 445, 1105, 1157, 1513, 2633, 5785, 7565, 13165, 19669, 34229, 44761, 98345, 171145, 223805, 234337, 581893, 1171685, 2909465, 3046381, 3983729, 15231905, 19918645, 51788477, 258942385]

約数ペア:

[(1, 258942385), (5, 51788477), (13, 19918645), (17, 15231905), (65, 3983729), (85, 3046381), (89, 2909465), (221, 1171685), (445, 581893), (1105, 234337), (1157, 223805), (1513, 171145), (2633, 98345), (5785, 44761), (7565, 34229), (13165, 19669)]